42550012366 has 16 divisors (see below), whose sum is σ = 65604762864. Its totient is φ = 20688863104.

The previous prime is 42550012357. The next prime is 42550012367. The reversal of 42550012366 is 66321005524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42550012367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1764196 + ... + 1788151.

It is an arithmetic number, because the mean of its divisors is an integer number (4100297679).

Almost surely, 2^42550012366 is an apocalyptic number.

42550012366 is a deficient number, since it is larger than the sum of its proper divisors (23054750498).

42550012366 is a wasteful number, since it uses less digits than its factorization.

42550012366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3552515.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 42550012366 in words is "forty-two billion, five hundred fifty million, twelve thousand, three hundred sixty-six".